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Chris Mason 546888da82 Btrfs: fix btrfs fallocate oops and deadlock 
Btrfs fallocate was incorrectly starting a transaction with a lock held
on the extent_io tree for the file, which could deadlock.  Strictly
speaking it was using join_transaction which would be safe, but it is better
to move the transaction outside of the lock.

When preallocated extents are overwritten, btrfs_mark_buffer_dirty was
being called on an unlocked buffer.  This was triggering an assertion and
oops because the lock is supposed to be held.

The bug was calling btrfs_mark_buffer_dirty on a leaf after btrfs_del_item had
been run.  btrfs_del_item takes care of dirtying things, so the solution is a
to skip the btrfs_mark_buffer_dirty call in this case.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-04-21 12:45:12 -04:00
..
9p
vfs: simple_set_mnt() should return void
2009-03-27 14:44:03 -04:00
adfs
fs/adfs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
affs
fs/affs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
afs
afs: BUG to BUG_ON changes
2009-04-09 10:41:19 -07:00
autofs
constify dentry_operations: autofs, autofs4
2009-03-27 14:44:00 -04:00
autofs4
autofs4: fix lookup deadlock
2009-04-01 08:59:23 -07:00
befs
befs: fix build on parisc
2009-04-08 10:21:43 -07:00
bfs
fs/Kconfig: move bfs out
2009-01-22 13:15:57 +03:00
btrfs
Btrfs: fix btrfs fallocate oops and deadlock
2009-04-21 12:45:12 -04:00
cachefiles
CacheFiles: A cache that backs onto a mounted filesystem
2009-04-03 16:42:41 +01:00
cifs
New helper - current_umask()
2009-03-31 23:00:26 -04:00
coda
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
configfs
constify dentry_operations: configfs
2009-03-27 14:44:03 -04:00
cramfs
fs/cramfs: return f_fsid for statfs(2)
2009-04-02 19:05:08 -07:00
debugfs
debugfs: function to know if debugfs is initialized
2009-03-23 16:25:46 +01:00
devpts
Merge code for single and multiple-instance mounts
2009-03-27 14:44:04 -04:00
dlm
dlm: fix length calculation in compat code
2009-03-11 12:23:59 -05:00
ecryptfs
ecryptfs: use kzfree()
2009-04-01 08:59:23 -07:00
efs
fs/efs: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
exofs
exofs: Documentation
2009-03-31 19:44:38 +03:00
exportfs
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
ext2
ext2: fix data corruption for racing writes
2009-04-13 15:04:33 -07:00
ext3
ext3: Try to avoid starting a transaction in writepage for data=writepage
2009-04-08 13:15:10 -04:00
ext4
ext4: check block device size on mount
2009-04-07 14:07:47 -04:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
freevxfs
fs/Kconfig: move vxfs out
2009-01-22 13:15:58 +03:00
fscache
FS-Cache: Implement data I/O part of netfs API
2009-04-03 16:42:39 +01:00
fuse
fuse: fix "direct_io" private mmap
2009-04-09 17:37:53 +02:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
hfs
hfs: fix memory leak when unmounting
2009-04-13 15:04:29 -07:00
hfsplus
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
hostfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
hppfs
hppfs: hppfs_read_file() may return -ERROR
2009-04-02 19:04:53 -07:00
hugetlbfs
mm: reintroduce and deprecate rlimit based access for SHM_HUGETLB
2009-04-01 08:59:12 -07:00
isofs
fs/isofs: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
jbd
jbd: update locking coments
2009-04-13 15:04:32 -07:00
jbd2
jbd2: use WRITE_SYNC_PLUG instead of WRITE_SYNC
2009-04-06 08:04:54 -07:00
jffs2
Merge git://git.infradead.org/mtd-2.6
2009-04-06 14:56:26 -07:00
jfs
New helper - current_umask()
2009-03-31 23:00:26 -04:00
lockd
Merge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linux
2009-04-06 13:25:56 -07:00
minix
fs/minix: return f_fsid for statfs(2)
2009-04-02 19:05:09 -07:00
ncpfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
nfs
NFS: Fix the return value in nfs_page_mkwrite()
2009-04-07 14:07:03 -07:00
nfs_common
SUNRPC: nfsacl_encode/nfsacl_decode should be exported as GPL-only
2008-12-23 15:21:32 -05:00
nfsd
Merge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linux
2009-04-06 13:25:56 -07:00
nilfs2
nilfs2: fix possible mismatch of sufile counters on recovery
2009-04-13 09:53:52 +09:00
nls
…
notify
fs: avoid I_NEW inodes
2009-03-27 14:44:05 -04:00
ntfs
ntfs: remove private wrapper of endian helpers
2009-04-01 08:59:18 -07:00
ocfs2
splice: fix deadlock in splicing to file
2009-04-07 08:34:46 -07:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
openpromfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
partitions
Merge branch 'tracing/core-v2' into tracing-for-linus
2009-04-02 00:49:02 +02:00
proc
nommu: fix typo vma->pg_off to vma->vm_pgoff
2009-04-08 10:21:44 -07:00
qnx4
fs/qnx4: return f_fsid for statfs(2)
2009-04-02 19:05:10 -07:00
quota
vfs: skip I_CLEAR state inodes
2009-04-02 19:04:48 -07:00
ramfs
ramfs: fix double freeing s_fs_info on failed mount
2009-04-07 07:39:59 -07:00
reiserfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-04-02 21:09:10 -07:00
romfs
fs/romfs: return f_fsid for statfs(2)
2009-04-07 08:31:10 -07:00
smbfs
constify dentry_operations: misc filesystems
2009-03-27 14:44:00 -04:00
squashfs
Merge branch 'kmemtrace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-04-06 13:30:00 -07:00
sysfs
mm: page_mkwrite change prototype to match fault: fix sysfs
2009-04-01 08:59:14 -07:00
sysv
fs/sysv: return f_fsid for statfs(2)
2009-04-02 19:05:10 -07:00
ubifs
Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6
2009-04-06 15:00:19 -07:00
udf
udf: Don't write integrity descriptor too often
2009-04-02 13:36:28 +02:00
ufs
fs/ufs: return f_fsid for statfs(2)
2009-04-02 19:05:10 -07:00
xfs
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
2009-04-13 14:35:13 -07:00
aio.c
aio: lookup_ioctx can return the wrong value when looking up a bogus context
2009-03-19 15:57:18 -07:00
anon_inodes.c
constify dentry_operations: rest
2009-03-27 14:44:03 -04:00
attr.c
vfs: Use lowercase names of quota functions
2009-03-26 02:18:35 +01:00
bad_inode.c
kill ->dir_notify()
2008-12-31 18:07:43 -05:00
binfmt_aout.c
sanitize ifdefs in binfmt_aout
2009-01-03 11:45:54 -08:00
binfmt_elf_fdpic.c
bin_elf_fdpic: check the return value of clear_user
2009-04-02 19:05:01 -07:00
binfmt_elf.c
Trim includes in binfmt_elf
2009-03-31 23:00:27 -04:00
binfmt_em86.c
…
binfmt_flat.c
FLAT: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_misc.c
fs/binfmt_misc.c: add terminating newline to /proc/sys/fs/binfmt_misc/status
2009-01-06 15:59:19 -08:00
binfmt_script.c
…
binfmt_som.c
Don't crap into descriptor table in binfmt_som
2009-03-31 23:00:28 -04:00
bio-integrity.c
block: add private bio_set for bio integrity allocations
2009-03-24 12:35:17 +01:00
bio.c
trivial: Fix typo in bio_split()'s documentation
2009-03-30 15:22:02 +02:00
block_dev.c
Cleanup after commit 585d3bc06f4ca57f975a5a1f698f65a45ea66225
2009-04-01 07:07:16 -04:00
buffer.c
block_write_full_page: switch synchronous writes to use WRITE_SYNC_PLUG
2009-04-08 13:15:09 -04:00
char_dev.c
fs: fix name overwrite in __register_chrdev_region()
2009-01-06 15:59:13 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'for-linus' of git://neil.brown.name/md
2009-04-03 09:08:19 -07:00
compat.c
Make non-compat preadv/pwritev use native register size
2009-04-04 14:20:34 -07:00
dcache.c
Trim includes of fdtable.h
2009-03-31 23:00:28 -04:00
dcookies.c
[CVE-2009-0029] System call wrapper special cases
2009-01-14 14:15:18 +01:00
direct-io.c
block: Add flag for telling the IO schedulers NOT to anticipate more IO
2009-04-06 08:04:54 -07:00
drop_caches.c
vfs: skip I_CLEAR state inodes
2009-04-02 19:04:48 -07:00
eventfd.c
epoll keyed wakeups: make eventfd use keyed wakeups
2009-04-01 08:59:20 -07:00
eventpoll.c
epoll keyed wakeups: teach epoll about hints coming with the wakeup key
2009-04-01 08:59:20 -07:00
exec.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
fcntl.c
Fix a lockdep warning in fasync_helper()
2009-03-30 08:00:24 -06:00
fifo.c
…
file_table.c
trivial: remove unused variable 'path' in alloc_file()
2009-03-30 15:22:03 +02:00
file.c
…
filesystems.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
fs_struct.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
fs-writeback.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2009-04-03 15:24:35 -07:00
generic_acl.c
New helper - current_umask()
2009-03-31 23:00:26 -04:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
internal.h
New locking/refcounting for fs_struct
2009-03-31 23:00:26 -04:00
ioctl.c
Rationalize fasync return values
2009-03-16 08:34:35 -06:00
ioprio.c
[CVE-2009-0029] System call wrappers part 28
2009-01-14 14:15:30 +01:00
Kconfig
nilfs2: update makefile and Kconfig
2009-04-07 08:31:16 -07:00
Kconfig.binfmt
CORE_DUMP_DEFAULT_ELF_HEADERS depends on ELF_CORE
2009-01-09 16:54:41 -08:00
libfs.c
kmemtrace, fs: uninline simple_transaction_set()
2009-04-03 12:09:09 +02:00
locks.c
[CVE-2009-0029] System call wrappers part 16
2009-01-14 14:15:25 +01:00
Makefile
nilfs2: update makefile and Kconfig
2009-04-07 08:31:16 -07:00
mbcache.c
…
mpage.c
Remove two unneeded exports and make two symbols static in fs/mpage.c
2009-04-01 07:38:54 -04:00
namei.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
namespace.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
nfsctl.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
no-block.c
…
open.c
Get rid of indirect include of fs_struct.h
2009-03-31 23:00:27 -04:00
pipe.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-03-27 16:23:12 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
read_write.c
Make non-compat preadv/pwritev use native register size
2009-04-04 14:20:34 -07:00
read_write.h
…
readdir.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
select.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
seq_file.c
cpumask: fix seq_bitmap_*() functions.
2009-03-30 22:05:11 +10:30
signalfd.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
splice.c
splice: fix deadlock in splicing to file
2009-04-07 08:34:46 -07:00
stack.c
…
stat.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
super.c
namespaces: move proc_net_get_sb to a generic fs/super.c helper
2009-04-07 08:31:09 -07:00
sync.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-quota-2.6
2009-03-27 14:48:34 -07:00
timerfd.c
timerfd: add flags check
2009-02-18 15:37:53 -08:00
utimes.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
xattr_acl.c
…
xattr.c
[CVE-2009-0029] System call wrappers part 13
2009-01-14 14:15:23 +01:00